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<table width="100%" summary="page for Melanoma"><tr><td>Melanoma</td><td align="right">R Documentation</td></tr></table>

<h2>
Survival from Malignant Melanoma
</h2>

<h3>Description</h3>


<p>The <code>Melanoma</code> data frame has data on 205 patients in Denmark
with malignant melanoma.
</p>


<h3>Usage</h3>

<pre>
Melanoma
</pre>


<h3>Format</h3>


<p>This data frame contains the following columns:
</p>

<dl>
<dt><code>time</code></dt><dd>
<p>survival time in days, possibly censored.
</p>
</dd>
<dt><code>status</code></dt><dd>
<p><code>1</code> died from melanoma, <code>2</code> alive, <code>3</code> dead from
other causes.
</p>
</dd>
<dt><code>sex</code></dt><dd>
<p><code>1</code> = male, <code>0</code> = female.
</p>
</dd>
<dt><code>age</code></dt><dd>
<p>age in years.
</p>
</dd>
<dt><code>year</code></dt><dd>
<p>of operation.
</p>
</dd>
<dt><code>thickness</code></dt><dd>
<p>tumour thickness in mm.
</p>
</dd>
<dt><code>ulcer</code></dt><dd>
<p><code>1</code> = presence, <code>0</code> = absence.
</p>
</dd>
</dl>



<h3>Source</h3>


<p>P. K. Andersen, O. Borgan, R. D. Gill and N. Keiding (1993)
<EM>Statistical Models based on Counting Processes.</EM>
Springer.
</p>


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